1: Let's take this a step further and finish this statement: The average surface temperature on earth would increase (go up) if .

A: There was more energy escaping into space than being trapped by the atmosphere.

B: There was more energy being trapped by the atmosphere than escaping into space.

C: Atmosphere heat trapping has nothing to do with earth's temperature.

D: The sun became smaller and decreased the amount of energy it produced.

2: You are riding a roller coaster at Valleyfair. At what point in the ride is the system in a state of equilibrium?

Question 2 options:

A)

Going down the first big hill

B)

Climbing up the second large hill

C)

Moving through a tunnel

D)

Stopped on the tracks at the entrance